24/7 peace of mind: optional, no-contract ADT professional monitoring services with Police dispatch provides unbeatable protection for your family. 4-Piece Bundle: 7-Inch touchscreen ADT security hub, two ADT door and window detectors, and ADT motion detector for complete security solution. Automate your home: works with zigbee, Z-Wave, and IP network protocols and a wide range of smart devices including cameras, lights, door locks, thermostats (Alexa & Google home compatible).